Having no light; dark.

अंधेरा

English Usage: The sky turned black before the storm.

Hindi Usage: तूफान से पहले आसमान काला हो गया।

Having a noticeable or distinct characteristic.

स्पष्ट

English Usage: He showed marked improvement in his performance.

Hindi Usage: उसने अपने प्रदर्शन में स्पष्ट सुधार दिखाया।

A color often associated with darkness or negativity.

काला

English Usage: She wore a black dress to the party.

Hindi Usage: उसने पार्टी में काला ड्रेस पहना।

A visible impression or feature marking something.

चिह्न

English Usage: This mark shows where to cut.

Hindi Usage: यह चिह्न दिखाता है कि कहाँ काटना है।

To indicate or designate by making a mark.

चिह्नित करना

English Usage: I will black mark the errors in this document.

Hindi Usage: मैं इस दस्तावेज में त्रुटियों को काला चिह्नित करूंगा।